Tenna Tops - Plain White Car Antenna Topper/Antenna Ball/Eva Foam Craft Ball (1.75" Inch Diameter) OFFICIAL TENNA TOPS BRAND - American Brand Antenna Topper. Trademark and Copyright Protected. COMBINE and SAVE - One flat rate combined shipping for all Tenna Tops, Coolballs and Happyballs brand antenna toppers! Find Your Car, Truck or SUV In A Parking Lot REALLY Fast. HIGHEST QUALITY - Made of soft, durable waterproof EVA foam. Hole size 4.5 mm diameter for standard antenna. Overall size 1.75 inch diameter. BUY THE BEST - Avoid fake knockoffs, Shop direct from our Official Amazon seller name: Tenna Tops / Coolballs / Happyballs